Headphonenoun
A listening device placed or worn in the ear, usually sold in pairs
Headphonenoun
electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear;
Earphonenoun
A transducer that converts electric signals into sound and is held near the ear, especially as part of a telephone; an earpiece or headphone.
Earphonenoun
electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear;